package net.minecraft.item;

import java.util.List;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.inventory.Slot;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.nbt.NBTTagString;
import net.minecraft.network.play.server.S2FPacketSetSlot;
import net.minecraft.stats.StatList;
import net.minecraft.util.ChatComponentProcessor;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.IChatComponent;
import net.minecraft.util.StatCollector;
import net.minecraft.util.StringUtils;
import net.minecraft.world.World;

public class ItemEditableBook extends Item {
	public ItemEditableBook() {
		this.setMaxStackSize(1);
	}

	public static boolean validBookTagContents(NBTTagCompound nbt) {
		if (!ItemWritableBook.isNBTValid(nbt)) {
			return false;
		} else if (!nbt.hasKey("title", 8)) {
			return false;
		} else {
			String s = nbt.getString("title");
			return s != null && s.length() <= 32 ? nbt.hasKey("author", 8) : false;
		}
	}

	/**
	 * Gets the generation of the book (how many times it has been cloned)
	 */
	public static int getGeneration(ItemStack book) {
		return book.getTagCompound().getInteger("generation");
	}

	public String getItemStackDisplayName(ItemStack stack) {
		if (stack.hasTagCompound()) {
			NBTTagCompound nbttagcompound = stack.getTagCompound();
			String s = nbttagcompound.getString("title");

			if (!StringUtils.isNullOrEmpty(s)) {
				return s;
			}
		}

		return super.getItemStackDisplayName(stack);
	}

	/**
	 * allows items to add custom lines of information to the mouseover description
	 */
	public void addInformation(ItemStack stack, EntityPlayer playerIn, List<String> tooltip, boolean advanced) {
		if (stack.hasTagCompound()) {
			NBTTagCompound nbttagcompound = stack.getTagCompound();
			String s = nbttagcompound.getString("author");

			if (!StringUtils.isNullOrEmpty(s)) {
				tooltip.add(EnumChatFormatting.GRAY
						+ StatCollector.translateToLocalFormatted("book.byAuthor", new Object[] { s }));
			}

			tooltip.add(EnumChatFormatting.GRAY
					+ StatCollector.translateToLocal("book.generation." + nbttagcompound.getInteger("generation")));
		}
	}

	/**
	 * Called whenever this item is equipped and the right mouse button is pressed.
	 * Args: itemStack, world, entityPlayer
	 */
	public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn) {
		if (!worldIn.isRemote) {
			this.resolveContents(itemStackIn, playerIn);
		}

		playerIn.displayGUIBook(itemStackIn);
		playerIn.triggerAchievement(StatList.objectUseStats[Item.getIdFromItem(this)]);
		return itemStackIn;
	}

	private void resolveContents(ItemStack stack, EntityPlayer player) {
		if (stack != null && stack.getTagCompound() != null) {
			NBTTagCompound nbttagcompound = stack.getTagCompound();

			if (!nbttagcompound.getBoolean("resolved")) {
				nbttagcompound.setBoolean("resolved", true);

				if (validBookTagContents(nbttagcompound)) {
					NBTTagList nbttaglist = nbttagcompound.getTagList("pages", 8);

					for (int i = 0; i < nbttaglist.tagCount(); ++i) {
						String s = nbttaglist.getStringTagAt(i);
						IChatComponent lvt_7_1_;

						try {
							lvt_7_1_ = IChatComponent.Serializer.jsonToComponent(s);
							lvt_7_1_ = ChatComponentProcessor.processComponent(player, lvt_7_1_, player);
						} catch (Exception var9) {
							lvt_7_1_ = new ChatComponentText(s);
						}

						nbttaglist.set(i, new NBTTagString(IChatComponent.Serializer.componentToJson(lvt_7_1_)));
					}

					nbttagcompound.setTag("pages", nbttaglist);

					if (player instanceof EntityPlayerMP && player.getCurrentEquippedItem() == stack) {
						Slot slot = player.openContainer.getSlotFromInventory(player.inventory,
								player.inventory.currentItem);
						((EntityPlayerMP) player).playerNetServerHandler
								.sendPacket(new S2FPacketSetSlot(0, slot.slotNumber, stack));
					}
				}
			}
		}
	}

	public boolean hasEffect(ItemStack stack) {
		return true;
	}
}
